Guissény
France
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Guissény, France

In Guissény, France, in January, the average water temperature is 11°C (51.8°F). Note: Swimming in 11°C (51.8°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique. Weather in January »

In February, the average sea temperature in Guissény, France, is 10.3°C (50.5°F). Note: Swimming in 10.3°C (50.5°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique. Weather in February »

March is the month with the coldest seawater in Guissény, France, with an average sea temperature of 9.9°C (49.8°F). Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Weather in March »

In Guissény, France, in April, the average water temperature is 10.9°C (51.6°F). Note: Swimming in 10.9°C (51.6°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique. Weather in April »

In May, the average sea temperature in Guissény, France, is 12.5°C (54.5°F). Note: Swimming in 12.5°C (54.5°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in May »

In Guissény, France, the average seawater temperature in June is 14.1°C (57.4°F). Note: Swimming in 14.1°C (57.4°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in June »

In Guissény, France, the average seawater temperature in July is 16°C (60.8°F). Note: Swimming in 16°C (60.8°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F). Weather in July »

With an average sea temperature of 16.7°C (62.1°F), August is the month with the warmest seawater in Guissény, France. Note: For most, swimming in 16.7°C (62.1°F) is not an enjoyable activity. Weather in August »

In Guissény, France, in September, the average water temperature is 15.8°C (60.4°F). Note: Swimming in 15.8°C (60.4°F) is not enjoyable for the majority. Weather in September »

In October, the average sea temperature in Guissény, France, is 14.6°C (58.3°F). Note: Swimming in 14.6°C (58.3°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique. Weather in October »

In Guissény, France, in November, the average water temperature is 13.9°C (57°F). Note: Swimming in 13.9°C (57°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique. Weather in November »

In Guissény, France, in December, the average water temperature is 12.8°C (55°F). Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Weather in December »

When is the sea coldest in Guissény?

March is the month with the coldest seawater in Guissény, France, with an average sea temperature of 9.9°C (49.8°F).

When are the longest days in Guissény?

June has the longest days of the year in Guissény, with an average of 16.1h of daylight.

When is the sea warmest in Guissény?

August is the month with the warmest seawater in Guissény, France, with an average sea temperature of 16.7°C (62.1°F).

What is the month with the shortest days in Guissény?

The month with the shortest days in Guissény, France, is December, with an average of 8.4h of daylight.
Average sea temperature - Guissény, France

The best month for swimming (with the highest average sea temperature) is August (16.7°C).
The coldest month (with the lowest average sea temperature) is March (9.9°C).

Average daylight - Guissény, France

The month with the longest days is June (Average daylight: 16.1h).
The month with shortest days is December (Average daylight: 8.4h).